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基于AST的代码优化
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flyerhzm
October 10, 2015
Programming
10
850
基于AST的代码优化
flyerhzm
October 10, 2015
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Transcript
基于 AST 的代码优化 ⻩黄志敏
⾃自我介绍 • Xinmin Labs 创始⼈人 • 前 OpenFeint 资深⼯工程师 •
开源社区贡献者 • 半⻢马完赛者 • @flyerhzm
遇到的问题
代码审查
None
None
重复重复重复
None
None
解决⽅方案
CodeClimate
None
None
PullReview
None
如何做到的
开源⼯工具!
flay 分析代码结构相似度
None
flog 分析代码复杂度
None
reek 检查代码类、模块和⽅方法,报告Code Smell
None
roodi 分析并报告代码设计问题
None
rails_best_practices 针对 rails 项⺫⽬目代码检查 code smell
None
如何实现的呢
ruby 代码解析库 => AST
ParseTree • 最早的 ruby 代码解析库 • 不⽀支持 ruby 1.9 和后续版本
ruby_parser • 最流⾏行的 ruby 代码解析库 • 输出结果和 ParseTree ⼀一致
None
None
ActiveRecord::Base belongs_to :user touch :archived_at def archive
ripper • ruby 内置的解析库 • ⽀支持 ruby 的新语法
None
ActiveRecord::Base belongs_to :user def archive touch :archived_at
parser • 新的 ruby 代码解析库 • ⽀支持代码重写
None
ActiveRecord::Base belongs_to :user def archive touch :archived_at
满⾜足需求?
⾃自动修改!
transpec ⾃自动将 rspec 2 的语法转换成 rspec 3 的语法
None
None
None
rubocop 基于社区版的 ruby style guide 的代码分析和重写⼯工具
None
None
None
None
Synvert ruby 语法转换⼯工具
None
None
None
演⽰示
内部项⺫⽬目
None
None
奖励 • seeing_is_believing • method_log
参考资料 CodeClimate - https://codeclimate.com/ PullReview - https://www.pullreview.com/ flay - https://github.com/seattlerb/flay
flog - https://github.com/seattlerb/flog reek - https://github.com/troessner/reek roodi - https://github.com/roodi/roodi rails_best_practices - https://github.com/railsbp/rails_best_practices
参考资料 parsetree - https://github.com/seattlerb/parsetree ruby_parser - https://github.com/seattlerb/ruby_parser parser - https://github.com/whitequark/parser
rubocop - https://github.com/bbatsov/rubocop transpec - https://github.com/yujinakayama/transpec synvert - https://github.com/xinminlabs/synvert
招聘 fl
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谢谢 提问